SGM41518 Description
The SGM41518 is a battery charger and system power path management device with integrated converter and power switches for using with single-cell Li-Ion or Li-polymer batteries. This highly integrated 1.26A device is capable of fast charging and supports a wide input voltage range suitable for wearable and earphone applications. I2C programming makes it a very flexible powering and charger design solution.
SGM41518 Key Features
- High Efficiency, 1.5MHz, Synchronous Buck Charger
- 95% Charge Efficiency at 1A from 5V Input
- Selectable PFM Mode for Light Load Efficiency
- Boost Mode Support
- Boost Efficiency of 95.5% at 0.5A and 95% at 1A
- PMID_GD Pin Control External P-MOSFET for Protection against Fault Conditions
- Selectable PFM Mode for Light Load Operations
- Single Input for USB or High Voltage Adaptors
- 3.9V to 13.5V Operating Input Voltage Range